ZeroTierOne/controller/DB.cpp

314 lines
8.0 KiB
C++

/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "DB.hpp"
#include "EmbeddedNetworkController.hpp"
#include <chrono>
#include <algorithm>
#include <stdexcept>
using json = nlohmann::json;
namespace ZeroTier {
DB::DB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path) :
_controller(nc),
_myId(myId),
_myAddress(myId.address()),
_path((path) ? path : "")
{
char tmp[32];
_myAddress.toString(tmp);
_myAddressStr = tmp;
}
DB::~DB()
{
}
bool DB::get(const uint64_t networkId,nlohmann::json &network)
{
waitForReady();
std::shared_ptr<_Network> nw;
{
std::lock_guard<std::mutex> l(_networks_l);
auto nwi = _networks.find(networkId);
if (nwi == _networks.end())
return false;
nw = nwi->second;
}
{
std::lock_guard<std::mutex> l2(nw->lock);
network = nw->config;
}
return true;
}
bool DB::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member)
{
waitForReady();
std::shared_ptr<_Network> nw;
{
std::lock_guard<std::mutex> l(_networks_l);
auto nwi = _networks.find(networkId);
if (nwi == _networks.end())
return false;
nw = nwi->second;
}
{
std::lock_guard<std::mutex> l2(nw->lock);
network = nw->config;
auto m = nw->members.find(memberId);
if (m == nw->members.end())
return false;
member = m->second;
}
return true;
}
bool DB::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member,NetworkSummaryInfo &info)
{
waitForReady();
std::shared_ptr<_Network> nw;
{
std::lock_guard<std::mutex> l(_networks_l);
auto nwi = _networks.find(networkId);
if (nwi == _networks.end())
return false;
nw = nwi->second;
}
{
std::lock_guard<std::mutex> l2(nw->lock);
network = nw->config;
_fillSummaryInfo(nw,info);
auto m = nw->members.find(memberId);
if (m == nw->members.end())
return false;
member = m->second;
}
return true;
}
bool DB::get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members)
{
waitForReady();
std::shared_ptr<_Network> nw;
{
std::lock_guard<std::mutex> l(_networks_l);
auto nwi = _networks.find(networkId);
if (nwi == _networks.end())
return false;
nw = nwi->second;
}
{
std::lock_guard<std::mutex> l2(nw->lock);
network = nw->config;
for(auto m=nw->members.begin();m!=nw->members.end();++m)
members.push_back(m->second);
}
return true;
}
bool DB::summary(const uint64_t networkId,NetworkSummaryInfo &info)
{
waitForReady();
std::shared_ptr<_Network> nw;
{
std::lock_guard<std::mutex> l(_networks_l);
auto nwi = _networks.find(networkId);
if (nwi == _networks.end())
return false;
nw = nwi->second;
}
{
std::lock_guard<std::mutex> l2(nw->lock);
_fillSummaryInfo(nw,info);
}
return true;
}
void DB::networks(std::vector<uint64_t> &networks)
{
waitForReady();
std::lock_guard<std::mutex> l(_networks_l);
networks.reserve(_networks.size() + 1);
for(auto n=_networks.begin();n!=_networks.end();++n)
networks.push_back(n->first);
}
void DB::_memberChanged(nlohmann::json &old,nlohmann::json &member,bool push)
{
uint64_t memberId = 0;
uint64_t networkId = 0;
bool isAuth = false;
bool wasAuth = false;
std::shared_ptr<_Network> nw;
if (old.is_object()) {
json &config = old["config"];
if (config.is_object()) {
memberId = OSUtils::jsonIntHex(config["id"],0ULL);
networkId = OSUtils::jsonIntHex(config["nwid"],0ULL);
if ((memberId)&&(networkId)) {
{
std::lock_guard<std::mutex> l(_networks_l);
auto nw2 = _networks.find(networkId);
if (nw2 != _networks.end())
nw = nw2->second;
}
if (nw) {
std::lock_guard<std::mutex> l(nw->lock);
if (OSUtils::jsonBool(config["activeBridge"],false))
nw->activeBridgeMembers.erase(memberId);
wasAuth = OSUtils::jsonBool(config["authorized"],false);
if (wasAuth)
nw->authorizedMembers.erase(memberId);
json &ips = config["ipAssignments"];
if (ips.is_array()) {
for(unsigned long i=0;i<ips.size();++i) {
json &ipj = ips[i];
if (ipj.is_string()) {
const std::string ips = ipj;
InetAddress ipa(ips.c_str());
ipa.setPort(0);
nw->allocatedIps.erase(ipa);
}
}
}
}
}
}
}
if (member.is_object()) {
json &config = member["config"];
if (config.is_object()) {
if (!nw) {
memberId = OSUtils::jsonIntHex(config["id"],0ULL);
networkId = OSUtils::jsonIntHex(config["nwid"],0ULL);
if ((!memberId)||(!networkId))
return;
std::lock_guard<std::mutex> l(_networks_l);
std::shared_ptr<_Network> &nw2 = _networks[networkId];
if (!nw2)
nw2.reset(new _Network);
nw = nw2;
}
{
std::lock_guard<std::mutex> l(nw->lock);
nw->members[memberId] = config;
if (OSUtils::jsonBool(config["activeBridge"],false))
nw->activeBridgeMembers.insert(memberId);
isAuth = OSUtils::jsonBool(config["authorized"],false);
if (isAuth)
nw->authorizedMembers.insert(memberId);
json &ips = config["ipAssignments"];
if (ips.is_array()) {
for(unsigned long i=0;i<ips.size();++i) {
json &ipj = ips[i];
if (ipj.is_string()) {
const std::string ips = ipj;
InetAddress ipa(ips.c_str());
ipa.setPort(0);
nw->allocatedIps.insert(ipa);
}
}
}
if (!isAuth) {
const int64_t ldt = (int64_t)OSUtils::jsonInt(config["lastDeauthorizedTime"],0ULL);
if (ldt > nw->mostRecentDeauthTime)
nw->mostRecentDeauthTime = ldt;
}
}
if (push)
_controller->onNetworkMemberUpdate(networkId,memberId);
}
} else if (memberId) {
if (nw) {
std::lock_guard<std::mutex> l(nw->lock);
nw->members.erase(memberId);
}
if (networkId) {
std::lock_guard<std::mutex> l(_networks_l);
auto er = _networkByMember.equal_range(memberId);
for(auto i=er.first;i!=er.second;++i) {
if (i->second == networkId) {
_networkByMember.erase(i);
break;
}
}
}
}
if ((push)&&((wasAuth)&&(!isAuth)&&(networkId)&&(memberId)))
_controller->onNetworkMemberDeauthorize(networkId,memberId);
}
void DB::_networkChanged(nlohmann::json &old,nlohmann::json &network,bool push)
{
if (network.is_object()) {
json &config = network["config"];
if (config.is_object()) {
const std::string ids = config["id"];
const uint64_t id = Utils::hexStrToU64(ids.c_str());
if (id) {
std::shared_ptr<_Network> nw;
{
std::lock_guard<std::mutex> l(_networks_l);
std::shared_ptr<_Network> &nw2 = _networks[id];
if (!nw2)
nw2.reset(new _Network);
nw = nw2;
}
{
std::lock_guard<std::mutex> l2(nw->lock);
nw->config = config;
}
if (push)
_controller->onNetworkUpdate(id);
}
}
} else if (old.is_object()) {
const std::string ids = old["id"];
const uint64_t id = Utils::hexStrToU64(ids.c_str());
if (id) {
std::lock_guard<std::mutex> l(_networks_l);
_networks.erase(id);
}
}
}
void DB::_fillSummaryInfo(const std::shared_ptr<_Network> &nw,NetworkSummaryInfo &info)
{
for(auto ab=nw->activeBridgeMembers.begin();ab!=nw->activeBridgeMembers.end();++ab)
info.activeBridges.push_back(Address(*ab));
for(auto ip=nw->allocatedIps.begin();ip!=nw->allocatedIps.end();++ip)
info.allocatedIps.push_back(*ip);
info.authorizedMemberCount = (unsigned long)nw->authorizedMembers.size();
info.totalMemberCount = (unsigned long)nw->members.size();
info.mostRecentDeauthTime = nw->mostRecentDeauthTime;
}
} // namespace ZeroTier